From 8b40d15dab376c92b37b0939515e7bdee7b83301 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sat, 25 Feb 2023 17:31:16 +0100
Subject: Moar doc

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+.. _cli-doc:
+
+Gerbonara's Command-Line Interface
+==================================
+
+Gerbonara comes with a built-in command-line interface that has functions for analyzing, rendering, modifying, and
+merging Gerber files.
+
+Invocation
+----------
+
+There are two ways to call gerbonara's command-line interface:
+
+.. :code:
+
+   $ gerbonara
+   $ python -m gerbonara
+
+For the first to work, make sure the installation's ``bin`` dir is in your ``$PATH``. If you installed gerbonara
+system-wide, that should be the case already, since the binary should end up in ``/usr/bin``. If you installed gerbonara
+using ``pip install --user``, make sure you have your user's ``~/.local/bin`` in your ``$PATH``.
+
+Commands and their usage
+------------------------
+
+.. code-block:: console
+
+    $ gerbonara --help
+    Usage: gerbonara [OPTIONS] COMMAND [ARGS]...
+
+      The gerbonara CLI allows you to analyze, render, modify and merge both
+      individual Gerber or Excellon files as well as sets of those files
+
+    Options:
+      --version
+      --help     Show this message and exit.
+
+    Commands:
+      bounding-box  Print the bounding box of a gerber file in "[x_min]...
+      layers        Read layers from a directory or zip with Gerber files and...
+      merge         Merge multiple single Gerber or Excellon files, or...
+      meta          Extract layer mapping and print it along with layer...
+      render        Render a gerber file, or a directory or zip of gerber...
+      rewrite       Parse a single gerber file, apply transformations, and...
+      transform     Transform all gerber files in a given directory or zip...
+
+Rendering
+~~~~~~~~~
+
+Gerbonara can render single Gerber (:py:class:`~.rs274x.GerberFile`) or Excellon (:py:class:`~.excellon.ExcellonFile`)
+layers, or whole board stacks (:py:class:`~.layers.LayerStack`) to SVG.
+
+``gerbonara render``
+********************
+.. program:: gerbonara render
+
+.. code-block:: console
+
+    $ gerbonara render [OPTIONS] INPATH [OUTFILE]
+
+``gerbonara render`` renders one or more Gerber or Excellon files as a single SVG file. It can read single files,
+directorys of files, and ZIP files. To read directories or zips, it applies gerbonara's layer filename matching rules.
+
+.. option:: --warnings [default|ignore|once]
+
+    Enable or disable file format warnings during parsing (default: on)
+
+
+.. option:: -m, --input-map <json_file>
+
+   Extend or override layer name mapping with name map from JSON file. The JSON file must contain a single JSON dict
+   with an arbitrary number of string: string entries. The keys are interpreted as regexes applied to the filenames via
+   re.fullmatch, and each value must either be the string ``ignore`` to remove this layer from previous automatic guesses,
+   or a gerbonara layer name such as ``top copper``, ``inner_2 copper`` or ``bottom silk``.
+
+.. option:: --use-builtin-name-rules / --no-builtin-name-rules
+
+    Disable built-in layer name rules and use only rules given by :option:`--input-map`
+
+
+.. option:: --force-zip
+
+   Force treating input path as a zip file (default: guess file type from extension and contents)
+
+.. option:: --top, --bottom
+
+   Which side of the board to render
+
+.. option:: --command-line-units <metric|us-customary>
+
+    Units for values given in other options. Default: millimeter
+
+.. option:: --margin <float>
+
+   Add space around the board inside the viewport
+
+.. option:: --force-bounds <min_x,min_y,max_x,max_y>
+
+   Force SVG bounding box to the given value.
+
+.. option:: --inkscape, --standard-svg
+
+   Export in Inkscape SVG format with layers and stuff instead of plain SVG.
+
+.. option:: --colorscheme <json_file>
+
+    Load colorscheme from given JSON file. The JSON file must contain a single dict with keys ``copper``, ``silk``,
+    ``mask``, ``paste``, ``drill`` and ``outline``. Each key must map to a string containing either a normal 6-digit hex
+    color with leading hash sign, or an 8-digit hex color with leading hash sign, where the last two digits set the
+    layer's alpha value (opacity), with ``ff`` being completely opaque, and ``00`` being invisibly transparent.
+
+Modification
+~~~~~~~~~~~~
+
+``gerbonara rewrite``
+*********************
+
+``gerbonara transform``
+***********************
+
+``gerbonara merge``
+*******************
+
+File analysis
+~~~~~~~~~~~~~
+
+``gerbonara bounding-box``
+**************************
+
+``gerbonara meta``
+******************
+
+``gerbonara layers``
+********************
+
-- 
cgit